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Merge v2.11 into v3.0

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mmatur 2024-01-10 10:47:44 +01:00
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integration/healthcheck_test.go
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@ -7,11 +7,13 @@ import (
"net/http"
"os"
"strings"
"testing"
"time"
"github.com/go-check/check"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"github.com/traefik/traefik/v3/integration/try"
checker "github.com/vdemeester/shakers"
)
// HealthCheck test suites.
@ -23,287 +25,272 @@ type HealthCheckSuite struct {
whoami4IP string
}
func (s *HealthCheckSuite) SetUpSuite(c *check.C) {
s.createComposeProject(c, "healthcheck")
s.composeUp(c)
s.whoami1IP = s.getComposeServiceIP(c, "whoami1")
s.whoami2IP = s.getComposeServiceIP(c, "whoami2")
s.whoami3IP = s.getComposeServiceIP(c, "whoami3")
s.whoami4IP = s.getComposeServiceIP(c, "whoami4")
func TestHealthCheckSuite(t *testing.T) {
suite.Run(t, new(HealthCheckSuite))
}
func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct {
func (s *HealthCheckSuite) SetupSuite() {
s.BaseSuite.SetupSuite()
s.createComposeProject("healthcheck")
s.composeUp()
s.whoami1IP = s.getComposeServiceIP("whoami1")
s.whoami2IP = s.getComposeServiceIP("whoami2")
s.whoami3IP = s.getComposeServiceIP("whoami3")
s.whoami4IP = s.getComposeServiceIP("whoami4")
}
func (s *HealthCheckSuite) TearDownSuite() {
s.BaseSuite.TearDownSuite()
}
func (s *HealthCheckSuite) TestSimpleConfiguration() {
file := s.adaptFile("fixtures/healthcheck/simple.toml", struct {
Server1 string
Server2 string
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
require.NoError(s.T(), err)
frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendHealthReq.Host = "test.localhost"
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Fix all whoami health to 500
client := &http.Client{}
whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
for _, whoami := range whoamiHosts {
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
// Verify no backend service is available due to failing health checks
err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Change one whoami health to 200
statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusOKReq1)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Verify frontend health : after
err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendReq.Host = "test.localhost"
// Check if whoami1 responds
err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Check if the service with bad health check (whoami2) never respond.
err = try.Request(frontendReq, 2*time.Second, try.BodyContains(s.whoami2IP))
c.Assert(err, checker.NotNil)
assert.Error(s.T(), err)
// TODO validate : run on 80
resp, err := http.Get("http://127.0.0.1:8000/")
// Expected a 404 as we did not configure anything
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
require.NoError(s.T(), err)
assert.Equal(s.T(), http.StatusNotFound, resp.StatusCode)
}
func (s *HealthCheckSuite) TestMultipleEntrypoints(c *check.C) {
file := s.adaptFile(c, "fixtures/healthcheck/multiple-entrypoints.toml", struct {
func (s *HealthCheckSuite) TestMultipleEntrypoints() {
file := s.adaptFile("fixtures/healthcheck/multiple-entrypoints.toml", struct {
Server1 string
Server2 string
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// Wait for traefik
err = try.GetRequest("http://localhost:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
require.NoError(s.T(), err)
// Check entrypoint http1
frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendHealthReq.Host = "test.localhost"
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
err = try.Request(frontendHealthReq, 5*time.Second, try.StatusCodeIs(http.StatusOK))
require.NoError(s.T(), err)
// Check entrypoint http2
frontendHealthReq, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendHealthReq.Host = "test.localhost"
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
err = try.Request(frontendHealthReq, 5*time.Second, try.StatusCodeIs(http.StatusOK))
require.NoError(s.T(), err)
// Set the both whoami health to 500
client := &http.Client{}
whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
for _, whoami := range whoamiHosts {
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
// Verify no backend service is available due to failing health checks
err = try.Request(frontendHealthReq, 5*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// reactivate the whoami2
statusInternalServerOkReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami2IP+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerOkReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontend1Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontend1Req.Host = "test.localhost"
frontend2Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontend2Req.Host = "test.localhost"
// Check if whoami1 never responds
err = try.Request(frontend2Req, 2*time.Second, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.NotNil)
assert.Error(s.T(), err)
// Check if whoami1 never responds
err = try.Request(frontend1Req, 2*time.Second, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.NotNil)
assert.Error(s.T(), err)
}
func (s *HealthCheckSuite) TestPortOverload(c *check.C) {
func (s *HealthCheckSuite) TestPortOverload() {
// Set one whoami health to 200
client := &http.Client{}
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
file := s.adaptFile(c, "fixtures/healthcheck/port_overload.toml", struct {
file := s.adaptFile("fixtures/healthcheck/port_overload.toml", struct {
Server1 string
}{s.whoami1IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("Host(`test.localhost`)"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
frontendHealthReq.Host = "test.localhost"
// We test bad gateway because we use an invalid port for the backend
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusBadGateway))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Set one whoami health to 500
statusInternalServerErrorReq, err = http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Verify no backend service is available due to failing health checks
err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
// Checks if all the loadbalancers created will correctly update the server status.
func (s *HealthCheckSuite) TestMultipleRoutersOnSameService(c *check.C) {
file := s.adaptFile(c, "fixtures/healthcheck/multiple-routers-one-same-service.toml", struct {
func (s *HealthCheckSuite) TestMultipleRoutersOnSameService() {
file := s.adaptFile("fixtures/healthcheck/multiple-routers-one-same-service.toml", struct {
Server1 string
}{s.whoami1IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
require.NoError(s.T(), err)
// Set whoami health to 200 to be sure to start with the wanted status
client := &http.Client{}
statusOkReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusOkReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// check healthcheck on web1 entrypoint
healthReqWeb1, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
healthReqWeb1.Host = "test.localhost"
err = try.Request(healthReqWeb1, 1*time.Second, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// check healthcheck on web2 entrypoint
healthReqWeb2, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/health", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
healthReqWeb2.Host = "test.localhost"
err = try.Request(healthReqWeb2, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Set whoami health to 500
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Verify no backend service is available due to failing health checks
err = try.Request(healthReqWeb1, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
err = try.Request(healthReqWeb2, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Change one whoami health to 200
statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusOKReq1)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Verify health check
err = try.Request(healthReqWeb1, 3*time.Second, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
err = try.Request(healthReqWeb2, 3*time.Second, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
func (s *HealthCheckSuite) TestPropagate(c *check.C) {
file := s.adaptFile(c, "fixtures/healthcheck/propagate.toml", struct {
func (s *HealthCheckSuite) TestPropagate() {
file := s.adaptFile("fixtures/healthcheck/propagate.toml", struct {
Server1 string
Server2 string
Server3 string
Server4 string
}{s.whoami1IP, s.whoami2IP, s.whoami3IP, s.whoami4IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`root.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`root.localhost`)"))
require.NoError(s.T(), err)
rootReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
rootReq.Host = "root.localhost"
err = try.Request(rootReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Bring whoami1 and whoami3 down
client := http.Client{
@ -313,9 +300,9 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
whoamiHosts := []string{s.whoami1IP, s.whoami3IP}
for _, whoami := range whoamiHosts {
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
try.Sleep(time.Second)
@ -327,19 +314,19 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
reachedServers := make(map[string]int)
for i := 0; i < 4; i++ {
resp, err := client.Do(rootReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
if reachedServers[s.whoami4IP] > reachedServers[s.whoami2IP] {
c.Assert(string(body), checker.Contains, want2)
assert.Contains(s.T(), string(body), want2)
reachedServers[s.whoami2IP]++
continue
}
if reachedServers[s.whoami2IP] > reachedServers[s.whoami4IP] {
c.Assert(string(body), checker.Contains, want4)
assert.Contains(s.T(), string(body), want4)
reachedServers[s.whoami4IP]++
continue
}
@ -356,48 +343,48 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
}
}
c.Assert(reachedServers[s.whoami2IP], checker.Equals, 2)
c.Assert(reachedServers[s.whoami4IP], checker.Equals, 2)
assert.Equal(s.T(), 2, reachedServers[s.whoami2IP])
assert.Equal(s.T(), 2, reachedServers[s.whoami4IP])
fooReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
fooReq.Host = "foo.localhost"
// Verify load-balancing on foo still works, and that we're getting wsp2, wsp2, wsp2, wsp2, etc.
want := `IP: ` + s.whoami2IP
for i := 0; i < 4; i++ {
resp, err := client.Do(fooReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
c.Assert(string(body), checker.Contains, want)
assert.Contains(s.T(), string(body), want)
}
barReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
barReq.Host = "bar.localhost"
// Verify load-balancing on bar still works, and that we're getting wsp2, wsp2, wsp2, wsp2, etc.
want = `IP: ` + s.whoami2IP
for i := 0; i < 4; i++ {
resp, err := client.Do(barReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
c.Assert(string(body), checker.Contains, want)
assert.Contains(s.T(), string(body), want)
}
// Bring whoami2 and whoami4 down
whoamiHosts = []string{s.whoami2IP, s.whoami4IP}
for _, whoami := range whoamiHosts {
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
try.Sleep(time.Second)
@ -405,25 +392,25 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
// Verify that everything is down, and that we get 503s everywhere.
for i := 0; i < 2; i++ {
resp, err := client.Do(rootReq)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusServiceUnavailable)
require.NoError(s.T(), err)
assert.Equal(s.T(), http.StatusServiceUnavailable, resp.StatusCode)
resp, err = client.Do(fooReq)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusServiceUnavailable)
require.NoError(s.T(), err)
assert.Equal(s.T(), http.StatusServiceUnavailable, resp.StatusCode)
resp, err = client.Do(barReq)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusServiceUnavailable)
require.NoError(s.T(), err)
assert.Equal(s.T(), http.StatusServiceUnavailable, resp.StatusCode)
}
// Bring everything back up.
whoamiHosts = []string{s.whoami1IP, s.whoami2IP, s.whoami3IP, s.whoami4IP}
for _, whoami := range whoamiHosts {
statusOKReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBufferString("200"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusOKReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
try.Sleep(time.Second)
@ -432,10 +419,10 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
reachedServers = make(map[string]int)
for i := 0; i < 4; i++ {
resp, err := client.Do(rootReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
if strings.Contains(string(body), `IP: `+s.whoami1IP) {
reachedServers[s.whoami1IP]++
@ -458,19 +445,19 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
}
}
c.Assert(reachedServers[s.whoami1IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami2IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami3IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami4IP], checker.Equals, 1)
assert.Equal(s.T(), 1, reachedServers[s.whoami1IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami2IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami3IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami4IP])
// Verify everything is up on foo router.
reachedServers = make(map[string]int)
for i := 0; i < 4; i++ {
resp, err := client.Do(fooReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
if strings.Contains(string(body), `IP: `+s.whoami1IP) {
reachedServers[s.whoami1IP]++
@ -493,19 +480,19 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
}
}
c.Assert(reachedServers[s.whoami1IP], checker.Equals, 2)
c.Assert(reachedServers[s.whoami2IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami3IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami4IP], checker.Equals, 0)
assert.Equal(s.T(), 2, reachedServers[s.whoami1IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami2IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami3IP])
assert.Equal(s.T(), 0, reachedServers[s.whoami4IP])
// Verify everything is up on bar router.
reachedServers = make(map[string]int)
for i := 0; i < 4; i++ {
resp, err := client.Do(barReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
if strings.Contains(string(body), `IP: `+s.whoami1IP) {
reachedServers[s.whoami1IP]++
@ -528,102 +515,87 @@ func (s *HealthCheckSuite) TestPropagate(c *check.C) {
}
}
c.Assert(reachedServers[s.whoami1IP], checker.Equals, 2)
c.Assert(reachedServers[s.whoami2IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami3IP], checker.Equals, 1)
c.Assert(reachedServers[s.whoami4IP], checker.Equals, 0)
assert.Equal(s.T(), 2, reachedServers[s.whoami1IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami2IP])
assert.Equal(s.T(), 1, reachedServers[s.whoami3IP])
assert.Equal(s.T(), 0, reachedServers[s.whoami4IP])
}
func (s *HealthCheckSuite) TestPropagateNoHealthCheck(c *check.C) {
file := s.adaptFile(c, "fixtures/healthcheck/propagate_no_healthcheck.toml", struct {
func (s *HealthCheckSuite) TestPropagateNoHealthCheck() {
file := s.adaptFile("fixtures/healthcheck/propagate_no_healthcheck.toml", struct {
Server1 string
}{s.whoami1IP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(file))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`noop.localhost`)"), try.BodyNotContains("Host(`root.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`noop.localhost`)"), try.BodyNotContains("Host(`root.localhost`)"))
require.NoError(s.T(), err)
rootReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
rootReq.Host = "root.localhost"
err = try.Request(rootReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
}
func (s *HealthCheckSuite) TestPropagateReload(c *check.C) {
func (s *HealthCheckSuite) TestPropagateReload() {
// Setup a WSP service without the healthcheck enabled (wsp-service1)
withoutHealthCheck := s.adaptFile(c, "fixtures/healthcheck/reload_without_healthcheck.toml", struct {
withoutHealthCheck := s.adaptFile("fixtures/healthcheck/reload_without_healthcheck.toml", struct {
Server1 string
Server2 string
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(withoutHealthCheck)
withHealthCheck := s.adaptFile(c, "fixtures/healthcheck/reload_with_healthcheck.toml", struct {
withHealthCheck := s.adaptFile("fixtures/healthcheck/reload_with_healthcheck.toml", struct {
Server1 string
Server2 string
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(withHealthCheck)
cmd, display := s.traefikCmd(withConfigFile(withoutHealthCheck))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
s.traefikCmd(withConfigFile(withoutHealthCheck))
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`root.localhost`)"))
c.Assert(err, checker.IsNil)
err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`root.localhost`)"))
require.NoError(s.T(), err)
// Allow one of the underlying services on it to fail all servers HC (whoami2)
client := http.Client{
Timeout: 10 * time.Second,
}
statusOKReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami2IP+"/health", bytes.NewBufferString("500"))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = client.Do(statusOKReq)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
rootReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000", nil)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
rootReq.Host = "root.localhost"
// Check the failed service (whoami2) is getting requests, but answer 500
err = try.Request(rootReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusServiceUnavailable))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
// Enable the healthcheck on the root WSP (wsp-service1) and let Traefik reload the config
fr1, err := os.OpenFile(withoutHealthCheck, os.O_APPEND|os.O_WRONLY, 0o644)
c.Assert(fr1, checker.NotNil)
c.Assert(err, checker.IsNil)
assert.NotNil(s.T(), fr1)
require.NoError(s.T(), err)
err = fr1.Truncate(0)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
fr2, err := os.ReadFile(withHealthCheck)
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
_, err = fmt.Fprint(fr1, string(fr2))
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
err = fr1.Close()
c.Assert(err, checker.IsNil)
require.NoError(s.T(), err)
try.Sleep(1 * time.Second)
// Waiting for the reflected change.
err = try.Request(rootReq, 5*time.Second, try.StatusCodeIs(http.StatusOK))
require.NoError(s.T(), err)
// Check the failed service (whoami2) is not getting requests
wantIPs := []string{s.whoami1IP, s.whoami1IP, s.whoami1IP, s.whoami1IP}
for _, ip := range wantIPs {
want := "IP: " + ip
resp, err := client.Do(rootReq)
c.Assert(err, checker.IsNil)
body, err := io.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
c.Assert(string(body), checker.Contains, want)
err = try.Request(rootReq, 5*time.Second, try.StatusCodeIs(http.StatusOK), try.BodyContains("IP: "+ip))
require.NoError(s.T(), err)
}
}